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  • Life tables of the banded sunflower moth (Lepidoptera: Tortricidae) in the northern Great Plains
  • 作者: Bergmann, D.J. and Oseto, C.Y
  • literature id: 16253
  • catalog nub: TPL_BERGMA1990LTOTB14181421
  • 文献库: Taxapad收录文献
  • type: article
  • publication name: Environmental Entomology
  • publish date: 1990-10-01
  • pages: 1418-1421
  • volume: 19
  • issue: 5
  • 创建时间: 2021-03-02 15:00:31
  • create by: zxmlmq (admin)
  • comment:

    none Life tables were compiled for two generations of the banded sunflower moth, Cochylis hospes Walsingham (Lepidoptera: Tortricidae), a univoltine pest of sunflower. Mortality of eggs and four instars in sunflower capitula was 8.9% for the 1986-1987 generation and 11.9% for the 1987-1988 generation. Orius tristicolor White (Hemiptera: Anthocoridae) preyed upon eggs and some first instars desiccated beneath involucral bracts. Mortality of fifth instars and pupae overwintering in the soil was 98.5% for the 1986-1987 generation and 94.8% for the 1987-1988 generation. Ground beetle (Coleoptera: Carabidae) predation reduced populations of overwintering larvae and pupae by 39.6% in 1986-1987 and 44.0% in 1987-1988. Glypta prognatha Dasch (Hymenoptera: Ichneumonidae) parasitism reduced populations by 8.0% in 1986-1987 and 18.2% in 1987-1988.

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